Protective Products, Such as Envelopes, Having a Unique Combination of Interior Padding of Expanded Slit Sheet Paper and Exterior Lining of Embossed Paper

A recyclable cushioned paper envelope formed with a reduced number of paper layers, comprising:

• a) a first paper layer comprising a sheet of expanded slit-sheet paper in an expanded state, said expanded slit-sheet paper having a slit pattern forming open cells in said expanded state, with said open cells having inclined land areas with first ends of said inclined land areas at a first side of said sheet of expanded slit-sheet paper and second ends of said inclined land areas at a second side of said sheet of expanded slit-sheet paper opposite to said first side of said sheet of expanded slit-sheet paper;
• b) a second paper layer facing and contacting said first side of said expanded slit sheet paper having said first ends of said inclined land areas of the open cells, said second paper layer comprising a first paper sheet fixed in relation to said expanded slit-sheet paper along at least a portion of a periphery of said expanded slit-sheet paper;
• c) a third paper layer facing and contacting said second side of said expanded slit sheet paper having said second ends of said inclined land areas of the open cells, said third paper layer comprising a second paper sheet fixed in relation to said expanded slit-sheet paper along at least a portion of a periphery of said expanded slit-sheet paper;
• d) each of said first paper sheet and said second paper sheet being a Kraft paper sheet having a weight within a range of 50 to 60 pounds per 3000 square feet plus-or-minus 15%;
• e) said envelope having a pouch with a cushioning wall, with the second paper layer being an innermost layer of the cushioning wall, the third paper layer being an outermost layer of the cushioning wall, and the expanded slit-sheet paper being between the innermost layer and the outermost layer;
• f) a rear of said pouch being longer than a front of said pouch;
• g) an adhesive for adhesively closing said envelope by folding said rear of said pouch over said front of said pouch and adhering said rear of said pouch to said front of said pouch;
• h) said second paper layer and said third paper layer being fixed in relation to said expanded slit-sheet paper includes said expanded slit-sheet paper being fixed in relation to the first paper sheet and the second paper sheet at opposite end regions of said expanded slit-sheet paper such as to maintain said expanded slit-sheet paper in an expanded state;
• and
• i) said two opposite end regions of said expanded slit-sheet paper being opposite ends of said expanded slit-sheet paper in an expansion direction of said expanded slit-sheet paper;
• whereby said envelope provides a recyclable cushioned paper envelope formed with a reduced number of paper layers.